People mourn Chernobyl accident

People mourn Chernobyl accident

VICTOR DRACHEV/AFP/Getty Images

A Chernobyl victims' memorial near an Orthodox church in Minsk, Belarus, on Tuesday, the 25th anniversary of the world's worst nuclear disaster, at Chernobyl in Ukraine. Scientists still debate the disaster's health effects.

A Chernobyl victims' memorial near an Orthodox church in Minsk, Belarus, on Tuesday, the 25th anniversary of the world's worst nuclear disaster, at Chernobyl in Ukraine. Scientists still debate the disaster's health effects. (VICTOR DRACHEV/AFP/Getty Images)

A Chernobyl victims' memorial near an Orthodox church in Minsk, Belarus, on Tuesday, the 25th anniversary of the world's worst nuclear disaster, at Chernobyl in Ukraine. Scientists still debate the disaster's health effects.